Details

Time bar (total: 23.5s)

sample190.0ms

Algorithm
intervals
Results
65.0ms265×body10240exit
55.0ms69×body640valid
47.0ms113×body1280valid
6.0ms43×body320valid
1.0ms14×body160valid
1.0ms17×body80valid

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0713
11513
22513
33113
44213
55213
65513
78713
810013
913613
1020113
1135513
1289213
13291313
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.3b

localize9.0ms

Local error

Found 2 expressions with local error:

2.2b
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
3.5b
(- (exp x) (exp (- x)))

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
25×add-sqr-sqrt
20×times-frac
13×add-cube-cbrt
distribute-lft-out distribute-lft-out-- difference-of-squares
associate-/l*
add-exp-log associate-/r* add-cbrt-cube add-log-exp
pow1 flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-sub tanh-undef div-exp clear-num flip-+ div-inv
Counts
2 → 61
Calls
2 calls:
113.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
18.0ms
(- (exp x) (exp (- x)))

series178.0ms

Counts
2 → 6
Calls
2 calls:
129.0ms
(/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
49.0ms
(- (exp x) (exp (- x)))

simplify1.5s

Counts
67 → 67
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01061228
12501185
26501107
316461103
done50011095

prune215.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(tanh x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube tanh-def add-log-exp
Counts
1 → 10
Calls
1 calls:
3.0ms
(tanh x)

series99.0ms

Counts
1 → 3
Calls
1 calls:
99.0ms
(tanh x)

simplify2.0s

Counts
13 → 13
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
042107
18983
219479
354979
4265179
done500179

prune28.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
0.1b
(* 2/15 (pow x 5))
0.1b
(* 1/3 (pow x 3))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
19×associate-*r*
13×add-exp-log
10×add-cube-cbrt *-un-lft-identity
unpow-prod-down add-log-exp
add-cbrt-cube unswap-sqr
associate-*l* prod-exp
cube-prod sqr-pow
pow1
pow-to-exp diff-log pow-exp *-commutative cbrt-unprod
cube-mult sub-neg flip3-- unpow3 associate--l+ sum-log flip--
Counts
3 → 70
Calls
3 calls:
60.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
13.0ms
(* 2/15 (pow x 5))
21.0ms
(* 1/3 (pow x 3))

series191.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
83.0ms
(* 2/15 (pow x 5))
44.0ms
(* 1/3 (pow x 3))

simplify3.8s

Counts
79 → 79
Iterations

Useful iterations: 3 (987.0ms)

IterNodesCost
0121815
1280726
2826684
34113675
done5001675

prune186.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp (* 2 x)) 1)
1.0b
(/ (+ (exp (* 2 x)) -1) (+ (exp (* 2 x)) 1))
3.7b
(+ (exp (* 2 x)) -1)

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
20×add-sqr-sqrt times-frac
14×add-cube-cbrt
13×distribute-lft-out
add-log-exp
difference-of-sqr--1
add-exp-log add-cbrt-cube associate-/l*
flip3-+ associate-/r* flip-+
pow1
+-commutative sum-log associate-/r/ associate-/l/
cbrt-undiv frac-2neg div-exp clear-num div-inv
Counts
3 → 70
Calls
3 calls:
21.0ms
(+ (exp (* 2 x)) 1)
45.0ms
(/ (+ (exp (* 2 x)) -1) (+ (exp (* 2 x)) 1))
16.0ms
(+ (exp (* 2 x)) -1)

series143.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(+ (exp (* 2 x)) 1)
91.0ms
(/ (+ (exp (* 2 x)) -1) (+ (exp (* 2 x)) 1))
35.0ms
(+ (exp (* 2 x)) -1)

simplify2.3s

Counts
79 → 79
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01121343
12691290
26641180
321921147
done50001147

prune225.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes20.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
022
done22

end0.0ms

sample8.4s

Algorithm
intervals
Results
4.6s7566×body10240exit
2.2s3317×body1280valid
870.0ms2428×body640valid
244.0ms1209×body320valid
75.0ms606×body160valid
28.0ms440×body80valid